QR codeWatermark
Invoices and finance
Put a QR code on every invoice that opens the document or your payment portal, and mark copies so they are not paid twice by mistake.
ExampleQR code: {InvoiceNo} {Amount} · Watermark: COPY
WatermarkMicrotext
Contracts and legal
Mark drafts and confidential agreements, and give signed originals a microtext border that is hard to reproduce on a photocopy or scan.
ExampleWatermark: DRAFT or CONFIDENTIAL · Microtext: ORIGINAL · {ContractNo}
QR codeMicrotext
Certificates and official letters
Anyone can scan the QR code to open the certificate's record and compare; the microtext helps tell the printed original from a copy.
ExampleQR code: verification link · Microtext border: {CertificateNo}